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A material alloy for an iron-based rare earth magnet is represented by the general formula of (Fe1-mTm)100-x-y-z-n(B1-pCp)xRyTizMn. T is Co and/or Ni; R is at least one element selected from Y (yttrium) and the rare earth elements; and M is at least one element selected from Al, Si, V, Cr, Mn, Ni, Cu, Zn, Ga, Zr, Nb, Mo, Ag, Hf, Ta, W, Pt, Au and Pb, wherein the following inequalities are satisfied : 10
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